Abstract: The scope of national park is the foundation of national park construction and management. Taking Mount Everest National Park as an example, this article not only makes a systematic research and analysis on scope delineation of national park, but also gives formulization on the confirmation of assessment area, the identification of priority conservation areas and scope delineation scheme which is essential on the establishing stage of national park construction. With the research, this article could reveal scope delineation of national park and provide reference for national park construction.